Home / 7,861.96-10,848.84-4,631.26

Finding the Fourth Proportional to 7,861.96, 10,848.84 and 4,631.26

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Solution

The fourth proportional to 7,861.96, 10,848.84 and 4,631.26 is: 6,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.96 : 10,848.84 = 4,631.26 : x
  2. Step 2: Convert to fraction form
    7,861.96/10,848.84 = 4,631.26/x
  3. Step 3: Cross multiply
    7,861.96x = 10,848.84 × 4,631.26
  4. Step 4: Simplify right side
    7,861.96x = 50,243,798.74
  5. Step 5: Solve for x
    x = 50,243,798.74/7,861.96
  6. Step 6: Final answer
    x = 6,390.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.